Description
Includes:
- JMP Yanmar Replacement Engine Cooling Pump #JPR-YM08IH
QTY: 1 - Steel Pulley & Mounting Bracket
What is the internal difference between JPR-YM08IH and model JPR-YM08IH2?
The difference is the thickness of the machined “Cam” which is incorporated or part of the Body / Casing itself. The machined thickness of YM08IH is greater (4mm) vs a smaller thickness (2mm) found in the JPR-YM08IH2, so the JPR-YM08IH model will give a higher flow rate vs JPR-YM08IH2. This is why it is very important to order the correct pump for your model of the engine by referring to the cross-reference information provided.
Note:
You can also use JPR-YM08IH for the replacement of Yanmar 121575-42000 (replaced by 721575-42702), which is the pump with the NPT threaded nipple port design, but you MUST make sure that you have the rubber hose for the inlet and outlet for the JPR-YM08IH hose connections.
How to Install Mounting Bracket on Pump?
The mounting bracket does not come pre-installed on the pump; if you are using this bracket for your application you can find the step-by-step installation instructions by going the Blog Page Post “How to Install Mounting Bracket on JMP Marine Yanmar Replacement Engine Cooling Pumps JPR-YM08IH & JPR-YM08IH2”
Product Information:
| SPECIFICATION | JPR-YM08IH |
| Port Size (Inside Diameter) |
1/2″ HOSE |
| Port Size (Outside Diameter) | Approx 3/4″ HOSE |
| Uses JMP Impeller p/n |
7050-01 (search 7050-01K) |
| Pump Size (LxWxH,mm) | 91 x 114 x 76 |
| Pump Weight (approx) | 4.0 lbs (1.82 kgs) |
| Replaces Genuine Yanmar Pump p/n(s) | Yanmar 128397-42500, 128990-42500 |
| Engine Model(s): |
2GMF, 3GMF, 2YM, 3YM |
| Replaces Johnson Pump p/n(s) |
Johnson 10-24509-01, 10-13337-01, F4B-903 |
| Parts Internally Compatible to Genuine | NO (Internal Changes made for better performance & Reliability) |
| Changes Made to Pump | Mechanical Seal, Ball Bearing, Shaft, Machined Steel Pulley (Washer & Nut Included) |
| Major Service Kit (All Internal Parts) *Sold Separately |
JSK0082 (For JPR-YM08IH Only) |
| Minor Service Kit *Sold Separately |
JSM0091 (For JPR-YM08IH Only) |
Features:
- Plug & Play Replacement
- Simple & Compact Design (Less Parts)
- Strong Bronze Body (Heavy Duty Marine Grade Casting)
- High Performance and Long Life Flexible Impellers
- Marine Grade Shaft (3X Series Non-Magnetic)
- Mechanical Seal instead of Lip Seal
- Heavy Duty Machined Steel Pulley
- Cam-Less Design / Cam is machined in the Body Casing.
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